State of Illinois

Top 20 cities by population in Illinois

# City Population
1 Chicago 2,695,598
2 Aurora 197,899
3 Rockford 152,871
4 Joliet 147,433
5 Naperville 141,853
6 Springfield 116,250
7 Peoria 115,007
8 North Peoria 113,004
9 Elgin 108,188
10 Waukegan 89,078
11 Cicero 83,891
12 Champaign 81,055
13 Bloomington 76,610
14 Decatur 76,122
15 Arlington Heights 75,101
16 Evanston 74,486
17 Schaumburg 74,227
18 Bolingbrook 73,366
19 Palatine 68,557
20 Skokie 64,784

Counties in Illinois